F25J 2220/84
Separating high boiling, i.e. less volatile components
Official title: Separating high boiling, i.e. less volatile components, e.g. NOx, SOx, H2S
F25J2220/84 (Separating high boiling, i.e. less volatile components) appears on 57 US grants and 73 published applications in this corpus.
Search patents in F25J- Granted patents
- 57
- Published applications
- 73
- Assignees
- 49
- Inventors
- 124
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 7 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 6 |
| 2012 | 2 | 8 |
| 2013 | 3 | 4 |
| 2014 | 2 | 3 |
| 2015 | 3 | 10 |
| 2016 | 2 | 2 |
| 2017 | 4 | 2 |
| 2018 | 4 | 2 |
| 2019 | 4 | 1 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 8 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impurity control for a high pressure CO2 purification and supply system13 Aug 2024US 12,061,046 B2Messer Industries USA, Inc.
- Impurity control for a high pressure CO2 purification and supply system11 Apr 2023US 11,624,556 B2Messer Industries USA, Inc.
- Method and plant for the purification of carbon dioxide using liquid carbon dioxide29 Mar 2022US 11,287,183 B2Union Engineeering A/S
- Method for removing a foulant from a gas stream with minimal external refrigeration5 Jan 2021US 10,882,001 B2Hall Labs LLC
- Systems and methods for separating condensable vapors from light gases or liquids by recuperative cryogenic processes28 Jul 2020US 10,724,793 B2Hall Labs LLC
- Method and device for coupling refrigerating and heat transfer effects10 Sep 2026US 2026/0266540 A1Cryo Rur
- Co2 purification unit with high pressure feed26 Feb 2026US 2026/0055959 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process for starting up a carbon capture process5 Feb 2026US 2026/0034496 A1L'Air Liquide, Societe Anonyme pour E'tude et l'Exploitation des Procedes Georges Claude
- Process and apparatus for separating a gas mixture5 Feb 2026US 2026/0036365 A1L'Air Liquide, Société Anonyme pour I'Etube et I'Exploitation des Procédés Georges Claude
- Method and apparatus for low-temperature separation of a gas containing co2 to produce a co2-rich fluid30 Oct 2025US 2025/0332535 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Method and apparatus for flue gas cleaning by separation and liquefaction of sulfur dioxide and carbon dioxide127US 5,133,190 A1992
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Process for the separation of landfill gas115US 4,681,612 AKoch Process Systems, Inc. · 1987
- Landfill gas recovery94US 5,842,357 AAcrion Technologies, Inc. · 1998
- Method and apparatus for removing pollutants from flue gas84US 5,467,722 A1995